Deep Soil Stabilization in Metro Atlanta

GCS on Jul 17, 2019 2:31:53 PM

Deep Soil Stabilization in Metro Atlanta

Deep Soil Stabilization in Metro AtlantaUnstable soil often causes structural cracking, cave-ins, and sinkholes.  Fortunately, soil can be stabilized, and water infiltration stopped with polyurethane resins. Once the soil has been consolidated and strengthened, any slabs or structures resting on it can be leveled if needed.

Sometimes soil issues occur well below the surface.  If the problem is five feet deep or more, then deep soil stabilization is required.  GCS technicians detect the depth of soil issues with a soil probe during the standard site evaluation process.   Further investigation is available via soil testing probes and ground penetration radar.

The deep soil stabilization process consists of injecting high strength polyurethane resin through long sections of hydraulic tubing.  Injection starts from bottom and the technician injects more as the tubing is extracted, creating solid columns of soil stabilization resin.

This process is also known as pressure grouting.  See the illustrations below...

Stabilize-Soil---Permeation-vs-Compaction-Grout

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Topics: All Posts, Soil Stabilization, Pressure Grouting

Avoid the Voids!

GCS on Jul 12, 2019 4:02:40 PM

Banner Avoid the Voids!

Blog Avoid the Voids!We've posted a few articles so far on the subject of filling dangerous voids with polyurethane - and for good reason!  As we state on our website's Filling Voids page:

Undetected voids are a silent threat that can cause slabs and structures to sink or collapse without warning. Neglect can result in serious injury, litigation and even death.  GCS can protect your property and assets from these possibilities with the latest void detection and repair technologies.

Needless to say, this is serious business. Let's take a look at some essential information excerpted from void fill blog posts we've published so far.

Filling Voids with Polyurethane Foam in Atlanta

There are many areas in which soil voids in and around structures may present a danger to the building and/or the people inhabiting the space. Sometimes these voids aren't even noticed until damage has been done to the structure.  For example, a slab sinks after soil beneath it erodes away and forms a void.  Or a crack appears in a wall because the foundation is sinking due to voids in the soil that was once supporting it.  Pool decks can crack and large sections can sink due to voids appearing underneath.  This can cause a dangerous trip hazard for people using the pool.  Rocking slabs in a warehouse or factory floor can also be a sign of voids underneath. In all these cases, safety can be returned to the structures by filling the voids with high-strength polyurethane foam (and then lifting the slab or structure if needed).

Read more from the post, Filling Voids with Polyurethane Foam in Atlanta...

Filling Dangerous Voids Under Garage Slabs

Large gaps in the soil beneath the floor of your garage are a red-alert problem for variety of reasons:

  • Your garage floor is likely supporting a vehicle. We link to this video quite often, but it is very relevant here: click to view cars falling through a collapsing floor. You definitely do not want this happening in your garage.
  • Many people store valuable tools and equipment in their garage. How much did all your tools, your riding lawnmower, and all that other equipment cost you?
  • People are more valuable than any car or piece of equipment could ever be. Don't put your family and friends at risk.

Read more from the post, Filling Dangerous Voids Under Garage Slabs...

Excessive Rain Creates Dangerous Voids Under Slabs & Structures

Excessive rain can often lead to soil washout underneath slabs and structures.  The voids created by soil washout can lead to sinking or, in some cases, dangerous collapse of the slab or even the structure itself.

Properties with healthy and adequate drainage systems (French drains, catch basins, etc) are the least likely to be affected by heavy rainfall.  However, clogged drainage systems, improperly designed systems, or in the worst case - properties with NO drainage system, all pose a significant risk during periods of excessive rain. 

Read more from the post, Excessive Rain Creates Dangerous Voids Under Slabs & Structures...

Undetected Voids Can Lead to Catastrophic Slab Failure

See this photo? Take a close look.
 
Avoid-the-Voids-Catastrophic-Failure
 
You do not want this happening to your slab. Injury and litigation risks are a very real possibility for property owners who neglect inspection of the soil beneath their slabs. Even if your slabs are level, you may still want to get the soil underneath checked out. Unstable soil eventually causes structural cracking, cave-ins, and sinkholes. 
 
 

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Topics: All Posts, Void Fill

Eliminating the Guesswork from Polyurethane Concrete Leveling

GCS on Jul 10, 2019 11:07:09 AM

Eliminating the Guesswork from Polyurethane Concrete Leveling

Eliminating the Guesswork from Polyurethane Concrete LevelingPolyurethane concrete leveling can be an uncertain process, more art than science...for contractors who don't make the extra effort to eliminate as much of the guesswork as possible.  Who would you rather hire to lift or stabilize your slabs and structures - a mom & pop contractor who "goes by their gut" or a seasoned professional following tried and tested procedures?  In this post, we'll examine the many ways in which GCS professionals eliminate uncertainty from the process.

Scanning & Probing the Soil

A couple of things that set us apart from other slab lifting contractors are the soil imaging and testing services we offer. Why settle for guesswork about what's going on underneath your slab or structure when we can verify the facts for you before we do any lifting work (and show you the underground results AFTER we do the work)? Read more about GCS soil scanning and probing here.

Thoroughly Tested Procedures

When choosing a polyurethane foam slab lifting contractor, it’s important to make sure they have a thorough understanding of industry best practices. There are a great number of details to be aware of, but they’ve become second nature to us over time. Why? Because we care about your property and we train our crews accordingly. Our best practices of slab lifting cover all 3 sections of the process: Preparation, Lifting the Slab and Wrapping Up. Read all about GCS best practices here.

Only the Best Polyurethane

We're proud users of Alchemy-Spetec high-strength polyurethane for concrete leveling and soil stabilization. Alchemy-Spetec products are designed by people who’ve worked in the field for years and know how much property owners depend on durable repairs. Alchemy-Spetec is known throughout the industry as a leader on the product quality front. We could skimp and go with a cheap supplier, but then we'd be hearing back from you down the road when the product failed. We'd rather do it once and do it right. 

The Choice is Yours

There are plenty of concrete leveling contractors out there who...

  • Operate with very little awareness of what's going on underneath your slab/structure.
  • Don't bother to thoroughly train their crew.
  • Use cheap polyurethane that may or may not hold up over time.

While it takes more effort to avoid these pitfalls up front, we're happy to put in that effort because we know that less guesswork is better for all parties involved. 

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Topics: Slab Lifting, All Posts, Soil Stabilization

Why We Use NSF Approved Polyurethanes

GCS on Jul 8, 2019 4:41:26 PM

Why We Use NSF Approved Polyurethanes

Why We Use NSF Approved PolyurethanesAs mentioned in our previous blog post, The Importance of NSF Approval...

The National Sanitation Foundation develops public health standards and certification programs that help protect the world’s food, water, consumer products and environment.

In a lot of cases, it's very important to make sure the products a contractor uses on your property meet NSF/ANSI 61-5 standards for contact with drinking water. This testing covers all products that are usually used in or around drinking water from source to tap.

While the polyurethanes we use rarely come into contact with drinking water, this level of safety certification ensures that the cured product poses no threat to the environment.  Once installed, these high strength polyurethanes will be supporting your slab or structure for many years to come.  Make sure the contractor you choose for your project offers NSF approved lifting and soil stabilization material.

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Topics: All Posts, NSF Certification

Stabilizing Soil Around Seawalls at Lake Lanier and Lake Allatoona

GCS on Jul 1, 2019 4:58:42 PM

Stabilizing Soil Around Seawalls at Lake Lanier and Lake Allatoona

Stabilizing Soil Around Seawalls at Lake Lanier and Lake Allatoona

Lake Lanier and Lake Allatoona are two of the most significant bodies of water in close proximity to the greater Atlanta area. Do you own or manage property on either of these lakes? If you have a seawall on your property, you may want to check for the following:

  • Settled soil near the wall (a sign of water leaking through the wall and eroding the soil on the land side).
  • Soil deposits near the seams on the water side of the wall (a sign of water leaks bringing soil through the seams into the lake).
  • Visible rust colored cracks or stains in the wall (a sign of water leaking through cracks in the wall and rusting the rebar inside).

These could all be indications that your seawall is leaking and in need of repair.  Polyurethane seawall repair is less expensive and more efficient than tearing out the wall and replacing it completely.

At GCS we use Alchemy-Spetec’s AP Fill 700 high-strength polyurethane foam on our seawall repair jobs.

Proven Strength

Impermeable to water once in place, this foam decreases the likelihood of future erosion versus refilling the void with soil or other material.

Originally developed over 30 years ago, and continuously improved since, this technology has one of the longest histories of success in the field among repair uses of polyurethane foams.

Environmentally Safe

AP Fill 700 has been approved for contact with drinking water (NSF 61-5) by Truesdail Laboratories. While no one will likely be drinking out of the lake water, this extra level of precaution means that the cured resin has no adverse effect on water quality.

Efficient Installation

Results are immediately clear due to the visible exiting of water when the foam is injected.  The foam rapidly sets in less than 10 minutes.  No heavy equipment is needed, as the foam is simply injected through pipes directly into voids and loose soil using a small single component pump.

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Topics: All Posts, Soil Stabilization, Seawall Repair

Filling Dangerous Voids Under Garage Slabs

GCS on Jun 28, 2019 2:37:33 PM

FILLING DANGEROUS VOIDS UNDER GARAGE SLABS

FILLING DANGEROUS VOIDS UNDER GARAGE SLABSWhy Voids Under Garage Floors are Dangerous

We've recently been getting quite a few calls about a dangerous situation that is generally pretty easy to repair: voids under garage slabs.  Large gaps in the soil beneath the floor of your garage are a red-alert problem for variety of reasons:

  • Your garage floor is likely supporting a vehicle. We link to this video quite often, but it is very relevant here: click to view cars falling through a collapsing floor. You definitely do not want this happening in your garage.
  • Many people store valuable tools and equipment in their garage. How much did all your tools, your riding lawnmower, and all that other equipment cost you?
  • People are more valuable than any car or piece of equipment could ever be. Don't put your family and friends at risk.

Signs You Might Have a Void Under Your Garage Floor

There are a few key indicators you should look for when trying to determine the stability of soil underneath your garage:

  • Are there cracks in your slab?
  • When you gently tap on your slab with a hammer, does it sound "hollow"?
  • Is your slab sinking?

If you find any of these signs in your garage, call GCS at 678-337-8374 for a free evaluation. (If you notice any of the above at the edge of the driveway near your garage floor, the void could extend under the driveway as well.)

The good news is that filling voids is generally an efficient fix. And you can use the slab in as little as 45 minutes after the repair job is done.

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Topics: Slab Lifting, All Posts, Soil Stabilization, Void Fill

The Dangers of Neglecting Sunken Slabs

GCS on Jun 26, 2019 3:40:52 PM

The Dangers of Neglecting Sunken Slabs

The Dangers of Neglecting Sunken SlabsAs a property owner or manager, the last thing you want to do when faced with sinking concrete is to ignore the problem.  At there very least, you should get a ground penetrating radar scan to get a sense of the extent of the soil issues.  In this post, we'll review the dangers of neglecting sunken slabs.

Damage to vehicles/equipment.

Unlevel concrete in driveways, factories and warehouses can cause damage to automobiles, fork lifts and other equipment.  Why risk expensive car and/or equipment repairs when you can take care of the cause instead?  Sometimes you're looking at wear and tear over time.  Sometimes you're looking at sudden damage or an accident.  Either way, neglecting the problem is not worth the risk.

Possibility of catastrophic
sinkholes.

Sinking concrete could be a sign of a sinkhole beneath your slab or structure.  Not convinced?  Watch this incredible security cam footage of a sinkhole taking out an entire showroom floor at the National Corvette Museum.  The truth is, you have NO way of knowing what lurks beneath your valuable slabs and structures until you get a professional to evaluate the situation.

Trip hazards, injury and liability risks.

For a thorough overview of these subjects, see our blog post Concrete Leveling to Prevent Trip Hazards and Litigation Risks...

Concrete slabs sink for a variety of reasons.  The result is an eyesore and possibly a trip hazard that could - in a worst case scenario - result in a serious injury, death, and/or a lawsuit. Read more...

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Topics: Slab Lifting, All Posts, Soil Stabilization, Void Fill, Soil Testing

Concrete Leveling for Commercial Properties

GCS on Jun 25, 2019 9:01:20 AM

Concrete Leveling for Commercial Properties

Concrete Leveling for Commercial PropertiesCommercial Properties at Risk?

Are sinking slabs or structures putting your commercial property at risk?

Unlevel concrete parking lots, walkways, showroom floors, factory floors, warehouses, loading docks and more can adversely affect your property value and increase the chance of injury and costly litigation.

Concrete Leveling is the Solution

Ground Consolidation Services can scan the soil beneath your slabs and structures with ground penetrating radar, fill dangerous voids, stabilize loose soil and lift sunken concrete to restore peace of mind and protect your property values.

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Topics: Slab Lifting, All Posts, Soil Stabilization, Void Fill, Deep Lift, Soil Testing

Leveling Concrete Floors: Factories, Warehouses, Showrooms, Loading Docks & More!

GCS on Jun 21, 2019 1:32:16 PM

Leveling Concrete Floors_ Factories, Warehouses, Showrooms, Loading Docks & More!

Leveling Concrete Floors_ Factories, Warehouses, Showrooms, Loading Docks & More!Sunken slabs or structures create trip hazards, liability risks and are often a sign of further damage to come if the problem is neglected. Fortunately, they can be leveled with high strength polyurethane resin. In optimal conditions, slabs and structures can often be lifted to within 1/8” of their original level. Polyurethane slab lifting is much more efficient and a lot less expensive than demolishing and replacing the slab or structure.  GCS uses the Deep Look GPR system to reveal the full extent of soil issues causing your slab or structure to sink.

Are you a commercial property owner or manager with a large facility? Ground Consolidation Services has repaired sunken slabs on a number of commercial/industrial properties and we're ready to provide you with a free estimate!

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Topics: Slab Lifting, All Posts

3 Most Popular GCS Blog Posts This Month

GCS on Jun 19, 2019 10:00:00 AM

3 Most Popular GCS Blogs This Month

3 Most Popular GCS Blogs This MonthIt's important every now and then to take a look at what's popular on the GCS blog.  Topics that are important to other customers may be important to you.  Our 3 most popular blog posts in the last 30 days are:

The How Strong is Strong Enough post always been popular.  It's critical to understand the strength of cured polyurethane lifting and stabilization foam.  This stuff cures to densities in the same range as crystalline bedrock.  The next post popular post is on leveling slabs to prevent trip hazards and litigation risks.  Sunken slabs have tripped people up many times, often resulting in personal injury and litigation.  This is not something any property owner wants to deal with.  Read that post and learn how to prevent these problems before they arise.  And last but not least, our third most popular post in the last 30 days addresses the two major sectors that GCS serves: the commercial and residential markets.

In addition to checking out those three currently popular posts, you can browse all our posts by topic:

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Topics: Slab Lifting, All Posts